AirHint found the following cheapest return flights from Cologne (CGN) to Porto (OPO) in June 2026 (see full year).

Return flights

08 Jun - 15 Jun	Eurowings	direct
13 Jun - 20 Jun	Eurowings	direct
20 Jun - 27 Jun	Eurowings	direct
06 Jun - 13 Jun	Eurowings	direct
06 Jun - 15 Jun	Eurowings	direct
15 Jun - 18 Jun	Eurowings	direct
01 Jun - 13 Jun	Eurowings	direct
01 Jun - 08 Jun	Eurowings	direct
15 Jun - 30 Jun	Eurowings
06 Jun - 16 Jun	Eurowings

Also check the deals for one-way flights from Cologne to Porto in June.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cologne to Porto in June from 117€

Return flights